Granted Patent
Utility
US 6,375,547 · App. 09/524,446
Method of operating a fluid jet cutting machine with abrasive removal system
Inventor:
John Massenburg
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Mar 14, 2000
Inventor
John Massenburg
Assignee (at issue)
Flow International Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.